LineOfSightRouter.h

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#pragma once
#include "common/Export.h"
 
#include "common/Result.h"
#include "sensing/Targeting.h"
 
#include <array>
#include <string_view>
#include <vector>
 
namespace eve::sensing {
 
class EVENGINE_API_PLATFORM LineOfSightRouter final : public ILineOfSightQuery {
public:
    LineOfSightRouter() = default;
 
    LineOfSightRouter(const LineOfSightRouter&)            = delete;
    LineOfSightRouter& operator=(const LineOfSightRouter&) = delete;
 
    [[nodiscard]] Result<void> addProvider(CoordinateSpace space, const ILineOfSightQuery* provider);
 
    [[nodiscard]] Result<void> removeProvider(CoordinateSpace space, const ILineOfSightQuery* provider);
 
    [[nodiscard]] bool hasProvider(CoordinateSpace space) const noexcept;
 
    [[nodiscard]] std::vector<CoordinateSpace> spaces() const;
 
    [[nodiscard]] Result<LineOfSightResult> query(const TargetLocation& from,
                                                 const TargetLocation& to) const override;
 
private:
    [[nodiscard]] static std::optional<CoordinateSpace> spaceOf(const TargetLocation& location) noexcept;
 
    static constexpr std::size_t kSpaceCount = 4;
    std::array<const ILineOfSightQuery*, kSpaceCount> providers_{};
};
 
[[nodiscard]] EVENGINE_API_PLATFORM Result<LineOfSightRouter*> ensureLineOfSightRouter();
 
}  // namespace eve::sensing